1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.security.permission;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.model.User;
28  import com.liferay.portal.security.auth.PrincipalThreadLocal;
29  import com.liferay.portal.service.UserLocalServiceUtil;
30  
31  /**
32   * <a href="DoAsUserThread.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Brian Wing Shun Chan
35   */
36  public abstract class DoAsUserThread extends Thread {
37  
38      public DoAsUserThread(long userId) {
39          _userId = userId;
40      }
41  
42      public boolean isSuccess() {
43          return _success;
44      }
45  
46      public void run() {
47          PermissionChecker permissionChecker = null;
48  
49          try {
50              PrincipalThreadLocal.setName(_userId);
51  
52              User user = UserLocalServiceUtil.getUserById(_userId);
53  
54              permissionChecker = PermissionCheckerFactory.create(user, true);
55  
56              PermissionThreadLocal.setPermissionChecker(permissionChecker);
57  
58              doRun();
59  
60              _success = true;
61          }
62          catch (Exception e) {
63              _log.error(e, e);
64          }
65          finally {
66              if (permissionChecker != null) {
67                  try {
68                      PermissionCheckerFactory.recycle(permissionChecker);
69                  }
70                  catch (Exception e) {
71                      _log.error(e, e);
72                  }
73              }
74          }
75      }
76  
77      protected abstract void doRun() throws Exception;
78  
79      private static Log _log = LogFactoryUtil.getLog(DoAsUserThread.class);
80  
81      private long _userId;
82      private boolean _success;
83  
84  }